Company Filing History:
2 out of 767 
1 out of 14 
1 out of 821 
Years Active: 1989-1999
Title: The Innovations of Ching-Fai Cho
Introduction
Ching-Fai Cho is a notable inventor based in Tujunga, California. He has made significant contributions to the field of electrical engineering, particularly in the area of RF transmission lines. With a total of four patents to his name, Cho's work has advanced the technology used in multi-layer circuit structures.
Latest Patents
Cho's latest patents include innovations that focus on wide frequency band transitions between via RF transmission lines. One of his patents describes a multi-layer circuit structure that incorporates multiple substrate layers. This design features at least one planar transmission line, which can be a microstrip, stripline, or coplanar line, situated on the substrate layers. Additionally, a via transmission line is connected to the planar transmission line and extends through the substrate layers. The topology of the via transmission lines matches that of the planar transmission line, facilitating a wide frequency band transition.
Career Highlights
Throughout his career, Ching-Fai Cho has worked with prominent companies such as Itt Industries, Inc. and Itt Gilfillan, a division of Itt Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Some of Cho's notable coworkers include Helmut Carl Maiershofer and Do Bum Shin. Their collaborative efforts have likely played a role in the development of Cho's patents and innovations.
Conclusion
Ching-Fai Cho's contributions to the field of electrical engineering through his patents and career experiences highlight his role as an influential inventor. His work continues to impact the technology surrounding RF transmission lines and multi-layer circuit structures.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.